CN109786179B - Bistable relay for DC power supply management - Google Patents
Bistable relay for DC power supply management Download PDFInfo
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- CN109786179B CN109786179B CN201811632347.2A CN201811632347A CN109786179B CN 109786179 B CN109786179 B CN 109786179B CN 201811632347 A CN201811632347 A CN 201811632347A CN 109786179 B CN109786179 B CN 109786179B
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- elastic sheet
- armature assembly
- guide sleeve
- contact
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Abstract
The invention provides a bistable relay for direct-current power supply management, which comprises a base, wherein a coil assembly and an arc extinguish chamber are respectively arranged on the base, an armature assembly is connected to the coil assembly, a moving sheet assembly is connected to the armature assembly, a guide sleeve and a moving contact are arranged on the moving sheet assembly, the guide sleeve is arranged on the arc extinguish chamber in a penetrating manner, a reset spring and a limiting shaft which are mutually adjacent are arranged in the guide sleeve, a pushing card is arranged between the limiting shaft and the armature assembly, one end of the pushing card is connected with the armature assembly, the other end of the pushing card is contacted with the limiting shaft, a fixed contact is arranged in the arc extinguish chamber, the fixed contact corresponds to the moving contact, and the armature assembly enables the fixed contact and the moving contact to be disconnected or connected through the moving sheet assembly. The invention replaces the traditional design of using the traditional electromagnetic relay or MOS parallel connection mode to control the high-medium low-voltage direct current circuit in the electric control, and effectively carries out power management.
Description
Technical Field
The invention belongs to the technical field of relays, and particularly relates to a bistable relay for direct-current power supply management.
Background
At present, no bistable relay specially used for direct current electric control exists in the market, and the conventional scheme is adopted to realize the management of a battery pack power supply by utilizing the conventional design of controlling a high-medium-low voltage direct current circuit in a conventional electromagnetic relay or MOS parallel connection mode. The main drawbacks of this current application mode are:
1) The relay has high cost and large volume, and is not suitable for the layout of the electric control board with limited space;
2) The parts are low in integration and standardization, so that the electric control cost is high;
3) The controllable silicon is needed for assisting on-off, and the electric control cost is high;
4) When the relay is powered on, the relay continuously consumes electric energy, and the residual electric energy of the battery pack can be consumed;
5) The special bistable relays suitable for DC power supply management, such as the traditional bistable relays (electric magnetic latching relays), are not available, and the cutting-off capability cannot meet the current DC application requirements;
6) Other forms of bistable switch products (including but not limited to motor type and mechanical type switches) cannot meet the use requirement of direct current electric control due to long action time and reliability and convenience of automatic control.
Disclosure of Invention
To overcome the above-mentioned drawbacks, an object of the present invention is to provide a bistable relay for dc power management.
The invention provides the following technical scheme:
the bistable relay comprises a base, wherein a coil assembly and an arc extinguish chamber are respectively arranged on the base, an armature assembly is connected to the coil assembly, a moving plate assembly is connected to the armature assembly, a guide sleeve and a moving contact are arranged on the moving plate assembly, the guide sleeve is arranged on the arc extinguish chamber in a penetrating mode, a reset spring and a limiting shaft which are mutually close to each other are arranged in the guide sleeve, a pushing card is arranged between the limiting shaft and the armature assembly, one end of the pushing card is connected with the armature assembly, the other end of the pushing card is contacted with the limiting shaft, a fixed contact is arranged in the arc extinguish chamber, the fixed contact corresponds to the moving contact, and the armature assembly enables the fixed contact to be disconnected or connected with the moving contact through the moving plate assembly.
Preferably, the moving sheet assembly comprises a moving spring sheet, the moving spring sheet is provided with a guide sleeve, a reset hole is further formed in the arc extinguishing chamber, the guide sleeve is arranged in the reset hole, the moving spring sheet is symmetrically provided with a moving contact by taking the guide sleeve as a center, the moving spring sheet is further provided with an auxiliary spring sheet, and guide holes are symmetrically formed in the two sides of the auxiliary spring sheet by taking the guide sleeve as the center.
Preferably, the arc extinguishing chamber comprises an arc extinguishing chamber arranged on the base, a guide shaft is arranged in the arc extinguishing chamber, a buffer spring is arranged on the guide shaft, and the guide hole is penetrated on the guide shaft.
Preferably, the arc extinguishing chamber both sides are equipped with shunt assembly and quiet piece subassembly respectively, the shunt assembly with the pin of quiet piece subassembly extends the base, still be equipped with two magnetism in the arc extinguishing chamber and blow the mechanism, two magnetism blow the mechanism including establishing the shunt assembly with magnet support between the quiet piece subassembly, be equipped with the permanent magnet on the magnet support.
Preferably, the limiting shaft penetrates through the auxiliary elastic sheet, a fixing rivet is arranged between the auxiliary elastic sheet and the movable elastic sheet, the auxiliary elastic sheet is fixed on the movable elastic sheet through the fixing rivet, a second connecting support is arranged on the auxiliary elastic sheet, one end of the pushing card is connected with the armature assembly, and the other end of the pushing card is connected with the second connecting support and contacts with the limiting shaft.
Preferably, a first connecting bracket is arranged on the armature assembly, one end of the pushing card is connected with the first connecting bracket, and the other end of the pushing card is connected with the second connecting bracket.
Preferably, a rotary rivet is respectively arranged between the pushing card and the first connecting bracket and between the pushing card and the second connecting bracket, and the pushing card is respectively connected with the first connecting bracket and the second connecting bracket through the rotary rivet.
Preferably, a positioning frame is arranged on the coil assembly, a positioning hole is arranged on the positioning frame, and the center of the armature assembly is coaxially connected with the positioning hole.
Preferably, an auxiliary switch is further arranged on the base, the auxiliary switch is arranged between the armature assembly and the arc extinguishing chamber, and when the movable contact and the stationary contact are disconnected, the auxiliary switch is connected with one end of the armature assembly.
Preferably, the base is further provided with a housing, and the coil assembly and the arc extinguishing chamber are arranged in the housing.
The beneficial effects of the invention are as follows: the invention can replace the traditional design of the relay and the MOS tube on the traditional electric control product, and can effectively carry out power management by independently controlling the relay; the invention has low energy consumption, compact mechanism, small volume, light weight and convenient installation, is suitable for being directly welded on a PCB or screwed for locking, is beneficial to the economy and stability of electric control design, has simpler design and greatly reduces the cost; the power component has the advantages of elastic design, more perfect mechanical system, higher electrical service life, higher high-current cutting-off capability, short action time and more stable and reliable action time.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic rear view of the present invention;
FIG. 3 is a schematic top view of the present invention;
fig. 4 is a schematic diagram of an arc extinguishing chamber according to the present invention;
FIG. 5 is a schematic view of the rotor assembly of the present invention;
FIG. 6 is a schematic side cross-sectional view of the rotor assembly of the present invention;
FIG. 7 is a schematic view of an exploded view of the rotor assembly of the present invention;
marked in the figure as: 1. a base; 2. a coil assembly; 3. an armature assembly; 31. a first connection bracket; 4. an arc extinguishing chamber; 41. a stationary contact; 42. an arc extinguishing chamber; 43. a guide shaft; 431. a buffer spring; 44. a diverter assembly; 45. a stationary blade assembly; 46. a double magnetic blowing mechanism; 47. a reset hole; 5. a rotor assembly; 51. a movable contact; 52. a movable spring plate; 53. a guide sleeve; 54. an auxiliary spring plate; 541. a guide hole; 55. pushing the card; 56. a second connection bracket; 57. a limiting shaft; 551. rotating the rivet; 6. a positioning frame; 7. a return spring; 8. and an auxiliary switch.
Detailed Description
As shown in fig. 1, a bistable relay for dc power management comprises a base 1, wherein a coil assembly 2 and an arc extinguishing chamber 4 are respectively arranged on the base 1, an armature assembly 3 is connected to the coil assembly 2, a positioning frame 6 is arranged on the coil assembly 2, a positioning hole is arranged on the positioning frame 6, and the center of the armature assembly 3 is coaxially connected with the positioning hole. Furthermore, the base 1 is also provided with a shell, and the coil assembly 2 and the arc extinguishing chamber 4 are arranged in the shell.
As shown in fig. 1-6, the armature assembly 3 is connected with a moving plate assembly 5, the moving plate assembly 5 is provided with a guide sleeve 53 and a moving contact 51, the guide sleeve 53 is arranged on the arc-extinguishing chamber 4 in a penetrating manner, a reset spring 7 and a limiting shaft 57 which are mutually adjacent are arranged in the guide sleeve 53, a push card 55 is arranged between the limiting shaft 57 and the armature assembly 3, one end of the push card 55 is connected with the armature assembly 3, the other end of the push card 55 contacts the limiting shaft 57, a fixed contact 41 is arranged in the arc-extinguishing chamber 4, the fixed contact 41 corresponds to the moving contact 51, the armature assembly 3 enables the fixed contact 41 to be disconnected or connected with the moving contact 51 through the moving plate assembly 5, and the armature assembly 3 is driven to rotate through electromagnetic driving of the coil assembly 2 so as to push the moving plate assembly 5 to move linearly, so that the purpose of switching on and off of the contacts is achieved. Further, an auxiliary switch 8 is further arranged on the base 1, the auxiliary switch 8 is arranged between the armature assembly 3 and the arc extinguish chamber 4, when the movable contact 51 and the fixed contact 41 are disconnected, the auxiliary switch 8 is connected with one end of the armature assembly 3, and the armature assembly 3 is connected with the auxiliary switch 8 to enable the auxiliary switch to be conducted, so that the auxiliary switch can be used for detecting the contact state and can be isolated from strong electricity.
As shown in fig. 1-7, the moving plate assembly 5 includes a moving spring plate 52, a guide sleeve 53 is disposed on the moving spring plate 52, a moving contact 51 is symmetrically disposed on the moving spring plate 52 with the guide sleeve 53 as a center, an auxiliary spring plate 54 is disposed on the moving spring plate 52, and guide holes 541 are disposed on the moving spring plates 52 at two sides of the auxiliary spring plate 54. The arc extinguishing chamber 4 comprises an arc extinguishing chamber 42 arranged on the base 1, a guide shaft 43 is arranged in the arc extinguishing chamber 42, a buffer spring 431 is arranged on the guide shaft 43, and a guide hole 541 is penetrated on the guide shaft 43. The arc extinguishing chamber 4 is also provided with a reset hole 47, and a guide sleeve 53 is arranged in the reset hole 47. The guide shaft 43 ensures that the rotor assembly 5 can move easily on the guide shaft 43 and overcomes the influence of gravity, so that the electrical parameters of the product are more stable.
Specifically, the limiting shaft 57 passes through the auxiliary elastic sheet 54, the auxiliary elastic sheet 54 is fixed on the movable elastic sheet 52 through a fixed rivet, the auxiliary elastic sheet 54 is provided with the second connecting bracket 56, the armature assembly 3 is provided with the first connecting bracket 31, one end of the pushing card 55 is connected with the first connecting bracket 31, and the other end of the pushing card 55 is connected with the second connecting bracket 56. A rotary rivet 551 is respectively arranged between the push card 55 and the first and second connection brackets 31 and 56, and the push card 55 is respectively connected with the first and second connection brackets 31 and 56 through the rotary rivet 551. The buffer spring 431 in the arc extinguishing chamber 4 ensures smooth action when the relay contacts start to be closed, and the reset spring 7 acts simultaneously when the contact distance reaches a design value; meanwhile, the push card 55 pushes the limiting shaft 57 to directionally move in the guide sleeve 53 to press the return spring 7, so that the contact pressure of the contact can be further increased, and larger current switching-off and switching-on can be realized.
As shown in fig. 1-4, two sides of the arc extinguishing chamber 42 are respectively provided with a diverter assembly 44 and a static plate assembly 45, pins of the diverter assembly 44 and the static plate assembly 45 extend out of the base 1, a double magnetic blowing mechanism 46 is further arranged in the arc extinguishing chamber 42, the double magnetic blowing mechanism 46 comprises a magnet support arranged between the diverter assembly 44 and the static plate assembly 45, a permanent magnet is arranged on the magnet support, the arc extinguishing chamber 4 is designed, arc burning time of an arc is reduced, ablation of the arc to contacts is reduced, and the diverter assembly 44 on the arc extinguishing chamber 4 can realize metering of direct current. The pins of the shunt assembly 44 and the static plate assembly 45 extend out of the bottom shell, so that the direct welding with the PCB is facilitated, the layout of the electric control components is more convenient, quick and reliable, and the cost is lower.
As shown in fig. 1-7, a bistable relay for dc power management directly drives a push card 55 in a moving plate assembly 5 through rotation of an armature assembly 3, thereby realizing connection and disconnection of a moving contact 51 and a stationary contact 41. Compared with the traditional plastic mechanical power transmission, the mechanism has smaller mechanical friction, higher strength and higher precision, so that the electrical parameters of the product are more stable. In addition, the mechanism is beneficial to realizing faster switching-on and switching-off speed of products, particularly on the switching-off speed, and the switching-off speed is obviously higher than that of similar products due to the double functions and parameter proportion of the buffer spring 431 and the reset spring 7, so that the traditional design of high-medium-low voltage direct current circuit control can be performed in place of the traditional electromagnetic relay or MOS parallel connection mode, and the power management can be effectively performed through independent control of the relay; the invention has a voltage signal for determining pulse width, can realize two states of electric control, can continuously keep the two states, so that the energy consumption of the two states is very small and even can be ignored, and the mechanism is compact, small in volume, light in weight and convenient to install, and is very suitable for being directly welded on a PCB or in screw locking connection, so that the cost is greatly reduced; according to the invention, through the elastic force design of the coil component 2, the armature component 3, the double buffer springs 431 and the special structure reset spring 7 in the moving plate component 5, the mechanical system is more perfect, so that the electric life is longer; the mechanism design of the moving plate assembly 5 saves more space, and under the limitation of the double guide posts, the contact is more stable and reliable, so that the attraction and release time of the contact is shorter, the contact pressure is larger, and the cutting-off capability of the contact to an electric arc is more facilitated.
The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The bistable relay for DC power management is characterized by comprising a base, wherein a coil assembly and an arc extinguish chamber are respectively arranged on the base, an armature assembly is connected to the coil assembly, a moving sheet assembly is connected to the armature assembly, a guide sleeve and a moving contact are arranged on the moving sheet assembly, the guide sleeve is arranged on the arc extinguish chamber in a penetrating manner, a reset spring and a limiting shaft which are mutually adjacent are arranged in the guide sleeve, a pushing card is arranged between the limiting shaft and the armature assembly, one end of the pushing card is connected with the armature assembly, the other end of the pushing card is contacted with the limiting shaft, a fixed contact is arranged in the arc extinguish chamber, the fixed contact corresponds to the moving contact, and the armature assembly enables the fixed contact and the moving contact to be disconnected or connected through the moving contact; the movable sheet assembly comprises a movable elastic sheet, the movable elastic sheet is provided with a guide sleeve, a reset hole is further formed in the arc extinguishing chamber, the guide sleeve is arranged in the reset hole, the movable elastic sheet is symmetrically provided with a movable contact by taking the guide sleeve as a center, the movable elastic sheet is also provided with an auxiliary elastic sheet, and guide holes are symmetrically formed in two sides of the auxiliary elastic sheet by taking the guide sleeve as a center; the arc extinguishing chamber comprises an arc extinguishing cavity arranged on the base, a guide shaft is arranged in the arc extinguishing cavity, a buffer spring is arranged on the guide shaft, and the guide hole is penetrated on the guide shaft; the limiting shaft penetrates through the auxiliary elastic sheet, a fixing rivet is arranged between the auxiliary elastic sheet and the movable elastic sheet, the auxiliary elastic sheet is fixed on the movable elastic sheet through the fixing rivet, a second connecting support is arranged on the auxiliary elastic sheet, one end of the pushing card is connected with the armature assembly, and the other end of the pushing card is connected with the second connecting support and contacts with the limiting shaft.
2. The bistable relay for direct current power supply management of claim 1, wherein the two sides of the arc extinguishing chamber are respectively provided with a current divider component and a static piece component, pins of the current divider component and the static piece component extend out of the base, the arc extinguishing chamber is internally provided with a double-magnetic blowing mechanism, the double-magnetic blowing mechanism comprises a magnet bracket arranged between the current divider component and the static piece component, and the magnet bracket is provided with a permanent magnet.
3. The bistable relay for dc power management of claim 1, wherein said armature assembly has a first connector bracket, wherein one end of said pusher card is connected to said first connector bracket, and wherein the other end of said pusher card is connected to said second connector bracket.
4. A bistable relay for dc power management according to claim 3, wherein rotary rivets are respectively provided between said push card and said first and second connection brackets, and said push card is respectively connected with said first and second connection brackets by said rotary rivets.
5. The bistable relay for dc power management of claim 1, wherein said coil assembly has a positioning frame, said positioning frame has a positioning hole, and said armature assembly has a center coaxially connected to said positioning hole.
6. The bistable relay for dc power management of claim 1, wherein said base further comprises an auxiliary switch, said auxiliary switch being disposed between said armature assembly and said arc chute, said auxiliary switch being connected to one end of said armature assembly when said movable contact and said stationary contact are disconnected.
7. A bistable relay for dc power management according to claim 1, wherein said base is further provided with a housing, said coil assembly and said arc chute being disposed within said housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811632347.2A CN109786179B (en) | 2018-12-29 | 2018-12-29 | Bistable relay for DC power supply management |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811632347.2A CN109786179B (en) | 2018-12-29 | 2018-12-29 | Bistable relay for DC power supply management |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109786179A CN109786179A (en) | 2019-05-21 |
| CN109786179B true CN109786179B (en) | 2023-09-19 |
Family
ID=66498839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811632347.2A Active CN109786179B (en) | 2018-12-29 | 2018-12-29 | Bistable relay for DC power supply management |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109786179B (en) |
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| DE2848936A1 (en) * | 1978-11-09 | 1980-05-14 | Kuke Kg Fritz | ELECTROMAGNETIC FOLDING RELAY WITH ONE OR MORE SWITCHING CONTACTS |
| CN2788342Y (en) * | 2005-04-18 | 2006-06-14 | 周岳建 | Electromagnetic link mechanism |
| CN202084447U (en) * | 2010-05-06 | 2011-12-21 | 刘伟亮 | Switching device |
| JP2012074136A (en) * | 2010-09-27 | 2012-04-12 | Panasonic Corp | Electromagnetic relay |
| CN202221739U (en) * | 2011-10-10 | 2012-05-16 | 浙江亚洲龙继电器有限公司 | High-power relay |
| CN102709124A (en) * | 2012-06-15 | 2012-10-03 | 东莞市三友联众电器有限公司 | Combined push clamp duplex spring type magnetic latching relay |
| CN104091725A (en) * | 2014-07-29 | 2014-10-08 | 厦门宏发电力电器有限公司 | Large-current magnetic latching relay, movable contact spring of large-current magnetic latching relay, and contact assembly of large-current magnetic latching relay |
| CN105719907A (en) * | 2016-03-31 | 2016-06-29 | 浙江众信新能源科技股份有限公司 | High-voltage DC relay |
| CN107644785A (en) * | 2017-10-12 | 2018-01-30 | 三友联众集团股份有限公司 | A kind of Improvement type moves spring relay |
| CN209343998U (en) * | 2018-12-29 | 2019-09-03 | 惠州维格敏通科技有限公司 | A kind of bistable relay for DC power supply management |
-
2018
- 2018-12-29 CN CN201811632347.2A patent/CN109786179B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2848936A1 (en) * | 1978-11-09 | 1980-05-14 | Kuke Kg Fritz | ELECTROMAGNETIC FOLDING RELAY WITH ONE OR MORE SWITCHING CONTACTS |
| CN2788342Y (en) * | 2005-04-18 | 2006-06-14 | 周岳建 | Electromagnetic link mechanism |
| CN202084447U (en) * | 2010-05-06 | 2011-12-21 | 刘伟亮 | Switching device |
| JP2012074136A (en) * | 2010-09-27 | 2012-04-12 | Panasonic Corp | Electromagnetic relay |
| CN202221739U (en) * | 2011-10-10 | 2012-05-16 | 浙江亚洲龙继电器有限公司 | High-power relay |
| CN102709124A (en) * | 2012-06-15 | 2012-10-03 | 东莞市三友联众电器有限公司 | Combined push clamp duplex spring type magnetic latching relay |
| CN104091725A (en) * | 2014-07-29 | 2014-10-08 | 厦门宏发电力电器有限公司 | Large-current magnetic latching relay, movable contact spring of large-current magnetic latching relay, and contact assembly of large-current magnetic latching relay |
| CN105719907A (en) * | 2016-03-31 | 2016-06-29 | 浙江众信新能源科技股份有限公司 | High-voltage DC relay |
| CN107644785A (en) * | 2017-10-12 | 2018-01-30 | 三友联众集团股份有限公司 | A kind of Improvement type moves spring relay |
| CN209343998U (en) * | 2018-12-29 | 2019-09-03 | 惠州维格敏通科技有限公司 | A kind of bistable relay for DC power supply management |
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| CN109786179A (en) | 2019-05-21 |
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Effective date of registration: 20190730 Address after: 516000 No. 28 Huling North Road, Baigang Village, Xiaojinkou Town, Huicheng District, Guangdong Province Applicant after: Huizhou Wigmin Technology Co.,Ltd. Address before: 516000 Room No. 2, Unit 203, 17 Building, No. 2 Yadi Village, No. 7 Dayong Road, Daya Bay, Huizhou City, Guangdong Province (office only) Applicant before: HUIZHOU WEIGE ELECTROMECHANICAL Co.,Ltd. |
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Address after: No. 516000, beihukou village, jingbailing District, Huizhou City, Guangdong Province Applicant after: Huizhou Yongji Electric Power Co.,Ltd. Address before: No. 516000, beihukou village, jingbailing District, Huizhou City, Guangdong Province Applicant before: Huizhou Wigmin Technology Co.,Ltd. |
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